The Chemical Properties of Hair

Essentially composed of keratin, hair also contains other elements and molecules that contribute to its appearance and behaviour

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Hair is essentially composed of keratin, a molecule with a helical structure. ©L’Oréal Research
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The cells of the cuticle are held together by the intercellular cement. ©L’Oréal Research
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The surface of the scalp seen under a scanning electron microscope shows the hair shaft surrounded by drops of sebum. ©L’Oréal Research

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